Upgrade Vulnerable Direct Dependencies [snakeyaml]

Change-Id: I84417ab3d4f18634be519b837a34d1f1e774ceff
Signed-off-by: amohamad <a.mohamad@queensu.ca>

Issue-ID: SDC-3051

Updated MVN dependencies in the respective pom.xml files

Updated the signature of some methods to match new version 1.26

Modified test cases to match the new wording of exceptions

Still working on troublshooting other failing test cases

Change-Id: Ifc796574e6d8d4e4fc707db04944d83427b5dbe6
Signed-off-by: amohamad <a.mohamad@queensu.ca>
Signed-off-by: JulienBe <julien.bertozzi@intl.att.com>

23 files changed, 327 insertions, 351 deletions

diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ContrailValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ContrailValidatorTest.java
index c0a84b5f9d..da861dc3e1 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ContrailValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ContrailValidatorTest.java
@@ -40,7 +40,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testWarningMessageExistWhenConrailV1AndV2ResourcesCollidesInSameHeatFile() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/collidesinsameheatfile/");
     validateMessage(messages,
         "WARNING: [CTL2]: HEAT Package includes both Contrail 2 and Contrail 3 " +
@@ -52,7 +52,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testParseException(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/parseException/");
     validateMessage(messages,
         "ERROR: [CTL4]: Invalid HEAT format problem - [while scanning for the next " +
@@ -68,7 +68,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testWarningMessageExistWhenConrailV1AndV2ResourcesCollidesInDifferentHeatFiles() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/collidesindifferentheatfiles/");
     validateMessage(messages,
         "WARNING: [CTL2]: HEAT Package includes both Contrail 2 and Contrail 3 " +
@@ -80,7 +80,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testWarningMessageNotExistWhenConrailV1AndV2ResourcesCollidesInNonHeatFile() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/collidesinnontheatfiles/");
     validateMessage(messages,
         "WARNING: [CTL2]: HEAT Package includes both Contrail 2 and Contrail 3 " +
@@ -93,7 +93,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testWarningMessageNotExistWhenOnlyConrailV1Resources() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/notcollides/");
     validateMessage(messages,
         "WARNING: [CTL3]: Contrail 2.x deprecated resource is in use, " +
@@ -104,7 +104,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testWarningMessageOnResourceWithContrailType() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/validatenocontrailresource/");
     validateMessage(messages,
         "WARNING: [CTL3]: Contrail 2.x deprecated resource is in use, " +
@@ -114,7 +114,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testInvalidHeatStructure(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/invalidHeatStructure/");
     validateMessage(messages,
         "ERROR: [CTL1]: Invalid HEAT format problem - [The file 'first.yaml' " +
@@ -124,7 +124,7 @@ public class ContrailValidatorTest {
 
   @Test
   public void testInvalidHeatStructuredueToParsingError(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/invalidHeatStructure/");
     validateMessage(messages,
         "ERROR: [CTL1]: Invalid HEAT format problem - [The file 'first.yaml' " +
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidatorTest.java
index a6e3d11cf3..64ddd61696 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ForbiddenResourceGuideLineValidatorTest.java
@@ -39,7 +39,7 @@ public class ForbiddenResourceGuideLineValidatorTest {
 
   @BeforeClass
   public static void init() throws IOException {
-    Map<String, Object> resourcesMap = ValidationTestUtil.getResourceMap(mockConfigFileName);
+    Map<String, Object> resourcesMap = new ValidationTestUtil().getResourceMap(mockConfigFileName);
 
     Map<String, Object> resourceBaseValidatorMap =
         (Map<String, Object>) resourcesMap.get("forbiddenResourceGuideLineValidator");
@@ -51,13 +51,13 @@ public class ForbiddenResourceGuideLineValidatorTest {
 
   @Test
   public void testFloatingIpResourceType() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(
         forbiddenResourceGuideLineValidator, RESOURCE_PATH + "/positive");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
 
-    messages = ValidationTestUtil.testValidator(forbiddenResourceGuideLineValidator,
+    messages = new ValidationTestUtil().testValidator(forbiddenResourceGuideLineValidator,
         RESOURCE_PATH + "/negative");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -67,7 +67,7 @@ public class ForbiddenResourceGuideLineValidatorTest {
   }
   @Test
   public void testParseException(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(
         forbiddenResourceGuideLineValidator, RESOURCE_PATH + "/parseException");
     Assert.assertEquals(messages.size(), 1);
     Assert.assertEquals(messages.get("first.yaml").getErrorMessageList().size(), 1);
@@ -82,7 +82,7 @@ public class ForbiddenResourceGuideLineValidatorTest {
 
   @Test
   public void testInvalidResourceType(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(
         forbiddenResourceGuideLineValidator, RESOURCE_PATH + "/TestInvalidResourceType");
     Assert.assertEquals(messages.get("first.yaml").getErrorMessageList().get(0).getMessage(),
         "WARNING: [FRG1]: A resource has an invalid or unsupported type - null, " +
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/GlobalContextUtilTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/GlobalContextUtilTest.java
index 5856b3f322..df6fa0676f 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/GlobalContextUtilTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/GlobalContextUtilTest.java
@@ -34,7 +34,7 @@ class GlobalContextUtilTest {
     @Test
     void shouldReturnOnlyFilesWithPmDictionaryType() {
         // given
-        GlobalValidationContext globalContext = ValidationTestUtil.createGlobalContextFromPath(TEST_MANIFEST_PATH);
+        GlobalValidationContext globalContext = new ValidationTestUtil().createGlobalContextFromPath(TEST_MANIFEST_PATH);
 
         // when
         Set<String> pmDictionaryFiles = GlobalContextUtil.findPmDictionaryFiles(globalContext);
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidatorTest.java
index d687e5e512..4492eac8e5 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatResourceValidatorTest.java
@@ -29,7 +29,7 @@ public class HeatResourceValidatorTest {
 
   @Test
   public void testParseException(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         "/org/openecomp/validation/validators/guideLineValidator/baseHeatDoesNotExposeNetwork/parseException/");
     Assert.assertEquals(messages.size(), 1);
     Assert.assertEquals(messages.get("first.yaml").getErrorMessageList().get(0).getMessage(),
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatValidatorTest.java
index ffcedbbbc8..a528985909 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/HeatValidatorTest.java
@@ -41,7 +41,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testInvalidHeatFormat() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/invalid_heat_format/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -61,7 +61,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testDependsOn() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/depends_on_points_to_existing_resource/input");
 
     Assert.assertNotNull(messages);
@@ -79,7 +79,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testResourcesReferencesExistInHeat() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/resource_references_exist_in_heat/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -98,7 +98,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testGetResourceValueIsValid() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/get_resource_value_valid/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -121,7 +121,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testTwoResourcesDoesNotHoldSameId() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/two_resources_does_not_hold_same_id/positive_test/input");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
@@ -129,7 +129,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testWithWrongFileExtension(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/wrongFileExtension");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.get("single.aad").getErrorMessageList().get(0).getMessage(),
@@ -140,7 +140,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testWithMissingManifestContent(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/missingManifestContent");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.get("single.yaml").getErrorMessageList().get(0).getMessage(),
@@ -152,7 +152,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testWithInvalidHeatContent(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/invalidHeatContent");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.get("single.yaml").getErrorMessageList().get(0).getMessage(),
@@ -167,7 +167,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testGeneratedArtifactExistInHeat() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
             RESOURCE_PATH + "/generated_artifact_exist/negative_test/input");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 3);
@@ -188,7 +188,7 @@ public class HeatValidatorTest {
 
   @Test
   public void negativeTestGetParamPointToExistingParameter() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/get_param_points_to_existing_parameter/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -203,7 +203,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testGetAttrFromNested() throws IOException {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/get_attr_from_nested/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -218,7 +218,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testDefaultValueAlignWithType() throws IOException {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/default_value_align_with_type/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -234,7 +234,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testEnvParametersMatchDefinedHeatParameterTypes() throws IOException {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/env_parameters_match_defined_types/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -249,7 +249,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testReferencedArtifactsExist() throws IOException {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/referenced_artifacts_exist/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -264,7 +264,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testEnvContentIsSubSetOfHeatParameters() throws IOException {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/env_content_is_subset_of_heat/negative_test/input");
 
     Assert.assertNotNull(messages);
@@ -279,7 +279,7 @@ public class HeatValidatorTest {
 
   @Test
   public void testGetParamPseudoParameters() {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(new HeatValidator(),
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(new HeatValidator(),
         RESOURCE_PATH + "/pseudo_parameters/input");
 
     Assert.assertNotNull(messages);
@@ -288,7 +288,7 @@ public class HeatValidatorTest {
   }
   @Test
   public void testNoErrorWhenEmptyValueForParameterInEnv() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/env_empty_value/input");
 
     Assert.assertNotNull(messages);
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ManifestValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ManifestValidatorTest.java
index 9e860ef2b3..778213dea8 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ManifestValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/ManifestValidatorTest.java
@@ -39,7 +39,7 @@ public class ManifestValidatorTest {
   @Test
   public void testValidManifest() {
 
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/validFiles");
     Assert.assertNotNull(messages);
     Assert.assertNotNull(messages);
@@ -48,25 +48,25 @@ public class ManifestValidatorTest {
 
   @Test
   public void testManifestMissingFileInZip() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new ManifestValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new ManifestValidator(),
         RESOURCE_PATH + "/missingFileInZip");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
     Assert.assertTrue(messages.containsKey("singleVol.yaml"));
-    ValidationTestUtil.validateErrorMessage(messages.get("singleVol.yaml").getErrorMessageList()
+    new ValidationTestUtil().validateErrorMessage(messages.get("singleVol.yaml").getErrorMessageList()
             .get(0).getMessage(),
         "ERROR: " + "[MNF4]: " + Messages.MISSING_FILE_IN_ZIP.getErrorMessage());
   }
 
   @Test
   public void testInvalidManifest() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new ManifestValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new ManifestValidator(),
         RESOURCE_PATH + "/invalidManifest");
     Assert.assertNotNull(messages);
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
     Assert.assertTrue(messages.containsKey(SdcCommon.MANIFEST_NAME));
-    ValidationTestUtil.validateErrorMessage(
+    new ValidationTestUtil().validateErrorMessage(
         messages.get(SdcCommon.MANIFEST_NAME).getErrorMessageList().get(0).getMessage(),
         "ERROR: " +"[MNF6]: " + Messages.INVALID_MANIFEST_FILE.getErrorMessage());
 
@@ -74,28 +74,28 @@ public class ManifestValidatorTest {
 
   @Test
   public void testMissingFileInManifest() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new ManifestValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new ManifestValidator(),
         RESOURCE_PATH + "/missingFileInManifest");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
     Assert.assertTrue(messages.containsKey("extraFile.env"));
-    ValidationTestUtil.validateErrorMessage(messages.get("extraFile.env").getErrorMessageList()
+    new ValidationTestUtil().validateErrorMessage(messages.get("extraFile.env").getErrorMessageList()
             .get(0).getMessage(),
         "WARNING: " + "[MNF5]: " + Messages.MISSING_FILE_IN_MANIFEST.getErrorMessage());
 
   }
   @Test
   public void testMissingFileTypeInManifest() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new ManifestValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new ManifestValidator(),
         RESOURCE_PATH + "/missingFileTypeInManifest");
-    ValidationTestUtil.validateErrorMessage(
+    new ValidationTestUtil().validateErrorMessage(
         messages.get("MANIFEST.json").getErrorMessageList().get(0).getMessage(),
         "ERROR: " + "[MNF7]: Missing file name in manifest");
   }
 
   @Test
   public void testInvalidFileTypeInManifest() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new ManifestValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new ManifestValidator(),
         RESOURCE_PATH + "/invalidFileTypeInManifest");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 4);
@@ -103,19 +103,19 @@ public class ManifestValidatorTest {
     Assert.assertTrue(messages.containsKey("illegalTypeFile.yaml"));
     Assert.assertTrue(messages.containsKey("single.yaml.illegalSuffix"));
     Assert.assertTrue(messages.containsKey("singleVol.yaml.illegalSuffix"));
-    ValidationTestUtil.validateErrorMessage(
+    new ValidationTestUtil().validateErrorMessage(
         messages.get("single.env.illegalSuffix").getErrorMessageList().get(0).getMessage(),
         "ERROR: "+"[MNF3]: " + Messages.WRONG_ENV_FILE_EXTENSION.getErrorMessage(),
         "single.env.illegalSuffix");
-    ValidationTestUtil.validateErrorMessage(
+    new ValidationTestUtil().validateErrorMessage(
         messages.get("illegalTypeFile.yaml").getErrorMessageList().get(0).getMessage(),
         "ERROR: "+"[MNF8]: " + Messages.INVALID_FILE_TYPE.getErrorMessage(),
         "illegalTypeFile.yaml");
-    ValidationTestUtil.validateErrorMessage(
+    new ValidationTestUtil().validateErrorMessage(
         messages.get("single.yaml.illegalSuffix").getErrorMessageList().get(0).getMessage(),
         "ERROR: "+"[MNF2]: " + Messages.WRONG_HEAT_FILE_EXTENSION.getErrorMessage(),
         "single.yaml.illegalSuffix");
-    ValidationTestUtil.validateErrorMessage(
+    new ValidationTestUtil().validateErrorMessage(
         messages.get("singleVol.yaml.illegalSuffix").getErrorMessageList().get(0).getMessage(),
         "ERROR: "+"[MNF2]: " + Messages.WRONG_HEAT_FILE_EXTENSION.getErrorMessage(),
         "singleVol.yaml.illegalSuffix");
@@ -126,16 +126,16 @@ public class ManifestValidatorTest {
   @Test
   public void testMissingFileInManifestAndInZip() {
 
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new ManifestValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new ManifestValidator(),
         RESOURCE_PATH + "/missingFileInManifestAndInZip");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 2);
     Assert.assertTrue(messages.containsKey("extraFile.env"));
     Assert.assertTrue(messages.containsKey("singleVol.yaml"));
-    ValidationTestUtil.validateErrorMessage(messages.get("extraFile.env").getErrorMessageList()
+    new ValidationTestUtil().validateErrorMessage(messages.get("extraFile.env").getErrorMessageList()
             .get(0).getMessage(), "WARNING: " + "[MNF5]: "+ Messages.MISSING_FILE_IN_MANIFEST
         .getErrorMessage());
-    ValidationTestUtil.validateErrorMessage(messages.get("singleVol.yaml").getErrorMessageList()
+    new ValidationTestUtil().validateErrorMessage(messages.get("singleVol.yaml").getErrorMessageList()
             .get(0).getMessage(), "ERROR: " + "[MNF4]: " + Messages.MISSING_FILE_IN_ZIP
         .getErrorMessage());
 
@@ -143,12 +143,12 @@ public class ManifestValidatorTest {
 
   @Test
   public void testEnvInRoot() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(new ManifestValidator(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new ManifestValidator(),
         RESOURCE_PATH + "/envInRoot");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
     Assert.assertTrue(messages.containsKey("second.env"));
-    ValidationTestUtil.validateErrorMessage(messages.get("second.env").getErrorMessageList()
+    new ValidationTestUtil().validateErrorMessage(messages.get("second.env").getErrorMessageList()
             .get(0).getMessage(),
         "ERROR: [MNF1]: ENV file must be associated to a HEAT file");
   }
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/PmDictionaryValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/PmDictionaryValidatorTest.java
index b510eeb26a..210bdd3504 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/PmDictionaryValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/PmDictionaryValidatorTest.java
@@ -73,6 +73,6 @@ public class PmDictionaryValidatorTest {
 
     private Map<String, MessageContainer> runValidation(String path) {
         PmDictionaryValidator validator = new PmDictionaryValidator();
-        return ValidationTestUtil.testValidator(validator, path);
+        return new ValidationTestUtil().testValidator(validator, path);
     }
 }
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/SharedResourceGuideLineValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/SharedResourceGuideLineValidatorTest.java
index dde43e7808..a0b18b2922 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/SharedResourceGuideLineValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/SharedResourceGuideLineValidatorTest.java
@@ -33,12 +33,12 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testBaseHeatExposeNetwork() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeNetwork/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(validator,
+    messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeNetwork/negative/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -49,7 +49,7 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testParseException(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeNetwork/parseException/");
     Assert.assertEquals(messages.size(), 1);
     Assert.assertEquals(messages.get("first.yaml").getErrorMessageList().size(), 1);
@@ -64,7 +64,7 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testInvalidGetResource(){
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/" +
             "baseHeatDoesNotExposeNetworkInvalidGetResource");
     Assert.assertEquals(messages.get("first.yaml").getErrorMessageList().get(0).getMessage(),
@@ -74,12 +74,12 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testBaseHeatExposeNetworkAndVolume() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeNetworkAndVolume/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(validator,
+    messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeNetworkAndVolume/negative/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -92,12 +92,12 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testBaseHeatExposeServerGroup() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeServerGroup/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(validator,
+    messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeServerGroup/negative/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -108,12 +108,12 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testBaseHeatExposeSecurityGroup() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeSecurityGroup/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(validator,
+    messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeSecurityGroup/negative/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -124,12 +124,12 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testBaseHeatExposeVolume() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeVolume/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(validator,
+    messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatDoesNotExposeVolume/negative/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -140,12 +140,12 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testHeatVolumeExpose() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/heatVolumeExpose/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(validator,
+    messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/heatVolumeExpose/negative/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -157,13 +157,13 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testResourceIsExposedByCallingGetResourceNotFromOutput() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatExposeResourceUsingGetResource/positive");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
 
-    messages = ValidationTestUtil.testValidator(validator,
+    messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/baseHeatExposeResourceUsingGetResource/negative");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -174,7 +174,7 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testMissingBaseHeat() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/missingBaseHeat/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
@@ -185,7 +185,7 @@ public class SharedResourceGuideLineValidatorTest {
 
   @Test
   public void testMultiBaseHeat() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(validator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(validator,
         RESOURCE_PATH + "/multiBaseHeat/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 1);
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/YamlValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/YamlValidatorTest.java
index 637510abba..77e2f2a837 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/YamlValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/YamlValidatorTest.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -31,82 +31,67 @@ import org.openecomp.sdc.validation.util.ValidationTestUtil;
 public class YamlValidatorTest {
 
 
-  private static final String RESOURCE_PATH = "/org/openecomp/validation/validators/yaml_validator";
-
-  public Map<String, MessageContainer> runValidation(String path) {
-    YamlValidator validator = new YamlValidator();
-    return ValidationTestUtil.testValidator(validator, path);
-
-  }
-
-  @Test
-  public void testValidYaml() {
-
-    Map<String, MessageContainer> messages = runValidation(
-        RESOURCE_PATH + "/valid_yaml/input/validHeat.yaml");
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 0);
-  }
-
-  @Test
-  public void testInvalidTabYaml() {
-
-    Map<String, MessageContainer> messages = runValidation(
-        RESOURCE_PATH + "/invalid_valid_yaml_structure/input/invalidYamlTab.yaml");
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-    ValidationTestUtil.validateErrorMessage(
-        messages.get("invalidYamlTab.yaml").getErrorMessageList().get(0).getMessage(),
-        "ERROR: " +"[YML2]: "+ Messages.INVALID_YAML_FORMAT_REASON.getErrorMessage(),
-        "while scanning for the next tokenfound character '\\t(TAB)' that cannot start " +
-            "any token. (Do not use \\t(TAB) for indentation) in 'reader', line 14, " +
-            "column 5:        \tadmin_state_up: true        ^");
-  }
-
-  @Test
-  public void testDuplicateKeyInYaml() {
-
-    Map<String, MessageContainer> messages =
-        runValidation(RESOURCE_PATH + "/duplicateKey.yaml");
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-    Assert.assertTrue(messages.containsKey("duplicateKey.yaml"));
-    ValidationTestUtil.validateErrorMessage(
-        messages.get("duplicateKey.yaml").getErrorMessageList().get(0).getMessage(),
-        "ERROR: " +"[YML2]: "+ Messages.INVALID_YAML_FORMAT_REASON.getErrorMessage(),
-        "while parsing MappingNode in 'reader', line 6, column 3:      " +
-            "Key_1_unique:      ^duplicate key: Key_2_not_unique in 'reader', line 31, " +
-            "column 1:        ^");
-  }
-
-  @Test
-  public void testInvalidYamlStructure() {
-
-    Map<String, MessageContainer> messages = runValidation(
-        RESOURCE_PATH + "/invalidYamlStructure.yaml");
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-    Assert.assertTrue(messages.containsKey("invalidYamlStructure.yaml"));
-    ValidationTestUtil.validateErrorMessage(
-        messages.get("invalidYamlStructure.yaml").getErrorMessageList().get(0).getMessage(),
-        "ERROR: " +"[YML2]: "+ Messages.INVALID_YAML_FORMAT_REASON.getErrorMessage(),
-        "while parsing a block mapping in 'reader', line 8, column 7:          " +
-            "admin_state_up: true          ^expected <block end>, but found BlockEntry in 'reader', " +
-            "line 10, column 7:          - shared: true          ^");
-  }
-
-  @Test
-  public void testEmptyYaml() {
-
-    Map<String, MessageContainer> messages =
-        runValidation(RESOURCE_PATH + "/emptyYaml.yaml");
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-    Assert.assertTrue(messages.containsKey("emptyYaml.yaml"));
-    ValidationTestUtil.validateErrorMessage(messages.get("emptyYaml.yaml").getErrorMessageList()
-            .get(0).getMessage(),
-        "ERROR: " +"[YML1]: "+ Messages.INVALID_YAML_FORMAT_REASON.getErrorMessage(),
-        Messages.EMPTY_YAML_FILE.getErrorMessage());
-  }
+    private static final String RESOURCE_PATH = "/org/openecomp/validation/validators/yaml_validator";
+
+    public Map<String, MessageContainer> runValidation(String path) {
+        return new ValidationTestUtil().testValidator(new YamlValidator(), path);
+    }
+
+    @Test
+    public void testValidYaml() {
+        Map<String, MessageContainer> messages = runValidation(RESOURCE_PATH + "/valid_yaml/input/validHeat.yaml");
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(0, messages.size());
+    }
+
+    @Test
+    public void testInvalidTabYaml() {
+
+        Map<String, MessageContainer> messages = runValidation(
+                RESOURCE_PATH + "/invalid_valid_yaml_structure/input/invalidYamlTab.yaml");
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(1, messages.size());
+        new ValidationTestUtil().validateErrorMessage(
+                messages.get("invalidYamlTab.yaml").getErrorMessageList().get(0).getMessage(),
+                "ERROR: " + "[YML2]: " + Messages.INVALID_YAML_FORMAT_REASON.getErrorMessage(),
+                "while scanning for the next tokenfound character '\\t(TAB)' that cannot start " +
+                        "any token. (Do not use \\t(TAB) for indentation) in 'reader', line 14, " +
+                        "column 5:        \tadmin_state_up: true        ^");
+    }
+
+    @Test
+    public void testDuplicateKeyInYaml() {
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new YamlValidator(), RESOURCE_PATH + "/duplicateKey.yaml");
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(1, messages.size());
+        Assert.assertTrue(messages.containsKey("duplicateKey.yaml"));
+        Assert.assertTrue(messages.get("duplicateKey.yaml").getErrorMessageList().get(0).getMessage().contains("Key_2_not_unique"));
+    }
+
+    @Test
+    public void testInvalidYamlStructure() {
+        Map<String, MessageContainer> messages = runValidation(RESOURCE_PATH + "/invalidYamlStructure.yaml");
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(1, messages.size());
+        Assert.assertTrue(messages.containsKey("invalidYamlStructure.yaml"));
+        new ValidationTestUtil().validateErrorMessage(
+                messages.get("invalidYamlStructure.yaml").getErrorMessageList().get(0).getMessage(),
+                "ERROR: " + "[YML2]: " + Messages.INVALID_YAML_FORMAT_REASON.getErrorMessage(),
+                "while parsing a block mapping in 'reader', line 8, column 7:          " +
+                        "admin_state_up: true          ^expected <block end>, but found '-' in 'reader', " +
+                        "line 10, column 7:          - shared: true          ^");
+    }
+
+    @Test
+    public void testEmptyYaml() {
+        Map<String, MessageContainer> messages = runValidation(RESOURCE_PATH + "/emptyYaml.yaml");
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(1, messages.size());
+        Assert.assertTrue(messages.containsKey("emptyYaml.yaml"));
+        new ValidationTestUtil().validateErrorMessage(messages.get("emptyYaml.yaml").getErrorMessageList()
+                        .get(0).getMessage(),
+                "ERROR: " + "[YML1]: " + Messages.INVALID_YAML_FORMAT_REASON.getErrorMessage(),
+                Messages.EMPTY_YAML_FILE.getErrorMessage());
+    }
 
 }
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ContrailNetworkPolicyResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ContrailNetworkPolicyResourceValidatorTest.java
index 43041140a3..707848f1bd 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ContrailNetworkPolicyResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ContrailNetworkPolicyResourceValidatorTest.java
@@ -37,7 +37,7 @@ public class ContrailNetworkPolicyResourceValidatorTest {
   private static final String PATH = "/org/openecomp/validation/validators/heat_validator/network_policy_associated_with_attach_policy/";
   @Test
   public void testNetworkPolicyAssociatedWithAttachPolicy() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator, resourceValidator
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator, resourceValidator
             , HeatResourcesTypes.CONTRAIL_NETWORK_RULE_RESOURCE_TYPE.getHeatResource(),
             PATH + "positive");
 
@@ -52,7 +52,7 @@ public class ContrailNetworkPolicyResourceValidatorTest {
 
   @Test
   public void testNonNetworkPolicyResource() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator, resourceValidator
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator, resourceValidator
             , HeatResourcesTypes.CONTRAIL_VIRTUAL_NETWORK_RESOURCE_TYPE.getHeatResource(),
             PATH + "negative");
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidatorTest.java
index b864a2d557..d8cecc9ca1 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NestedResourceValidatorTest.java
@@ -38,7 +38,7 @@ public class NestedResourceValidatorTest {
   @Test
   public void testNoLoopsNesting() {
 
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, null,
             PATH + "no_loops_nesting/negative_test/input");
 
@@ -74,7 +74,7 @@ public class NestedResourceValidatorTest {
 
   @Test
   public void testPropertiesMatchNestedParameters() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, null,
             PATH + "properties_match_nested_parameters/negative_test/input");
 
@@ -89,7 +89,7 @@ public class NestedResourceValidatorTest {
 
   @Test
   public void testWrongValueTypeAssigned() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, null,
             PATH + "properties_match_nested_parameters/wrong_value_type_assigned/input");
 
@@ -107,7 +107,7 @@ public class NestedResourceValidatorTest {
     final Resource resource = new Resource();
     resource.setType("nested-pps_v1.0.yaml");
 
-    final GlobalValidationContext globalValidationContext = ValidationTestUtil.createGlobalContextFromPath(PATH + "missing_nested_file/input");
+    final GlobalValidationContext globalValidationContext = new ValidationTestUtil().createGlobalContextFromPath(PATH + "missing_nested_file/input");
 
     NestedResourceValidator.validateAllPropertiesMatchNestedParameters(null, null, resource, Optional.empty(), globalValidationContext);
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidatorTest.java
index 10c70b64d4..0e02a1d6ee 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronPortResourceValidatorTest.java
@@ -36,7 +36,7 @@ public class NeutronPortResourceValidatorTest {
   private static final String PATH = "/org/openecomp/validation/validators/heat_validator/";
   @Test
   public void testMoreThanOneBindFromNovaToPort() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource(),
             PATH + "one_nova_points_to_one_port/negative_test/input");
 
@@ -51,7 +51,7 @@ public class NeutronPortResourceValidatorTest {
 
   @Test
   public void testPortNotBindToAnyNovaServerHPR1() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "no_neutron_port/input");
 
@@ -66,7 +66,7 @@ public class NeutronPortResourceValidatorTest {
 
   @Test
   public void testPortNotBindToAnyNovaServerHPR3() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "port_no_bind_to_any_nova_server/input");
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronSecurityGroupResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronSecurityGroupResourceValidatorTest.java
index fabc833106..10de81350d 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronSecurityGroupResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NeutronSecurityGroupResourceValidatorTest.java
@@ -37,7 +37,7 @@ public class NeutronSecurityGroupResourceValidatorTest {
 
   @Test
   public void testSecurityGroupBaseFileNoPorts() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator,
             HeatResourcesTypes.NEUTRON_SECURITY_GROUP_RESOURCE_TYPE.getHeatResource(),
             PATH + "security_group_base_file_no_ports/input");
@@ -52,7 +52,7 @@ public class NeutronSecurityGroupResourceValidatorTest {
 
   @Test
   public void testSecurityGroupsCalledByPort() throws IOException {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator,
             HeatResourcesTypes.NEUTRON_SECURITY_GROUP_RESOURCE_TYPE.getHeatResource(),
             PATH + "security_group_called_by_port/input");
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerGroupResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerGroupResourceValidatorTest.java
index e9c70b0251..b22dd4df4a 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerGroupResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerGroupResourceValidatorTest.java
@@ -35,7 +35,7 @@ public class NovaServerGroupResourceValidatorTest {
   private static final String PATH = "/org/openecomp/validation/validators/heat_validator/";
   @Test
   public void testPolicyIsAffinityOrAntiAffinity() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_GROUP_RESOURCE_TYPE.getHeatResource(),
             PATH + "policy_is_affinity_or_anti_affinity/negative_test/input");
 
@@ -50,7 +50,7 @@ public class NovaServerGroupResourceValidatorTest {
 
   @Test
   public void testServerGroupCalledByServer() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_GROUP_RESOURCE_TYPE.getHeatResource(),
             PATH + "server_group_called_by_nova_server/input");
 
@@ -66,7 +66,7 @@ public class NovaServerGroupResourceValidatorTest {
 
   @Test
   public void testNonServerGroup() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "server_group_called_by_nova_server_negative/input");
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidatorTest.java
index 63523329cc..d56a5eaf2b 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/NovaServerResourceValidatorTest.java
@@ -35,7 +35,7 @@ public class NovaServerResourceValidatorTest {
   private static final String PATH = "/org/openecomp/validation/validators/heat_validator/";
   @Test
   public void testNovaPropertiesHasAssignedValue() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "nova_properties_has_assigned_value/negative_test/input");
 
@@ -50,7 +50,7 @@ public class NovaServerResourceValidatorTest {
 
   @Test
   public void testServerGroupsPointedByServersDefinedCorrectly() throws IOException {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "server_groups_defined_correctly/negative_test/input");
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidatorTest.java
index 07cfaf7481..b80788a9c3 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/ResourceGroupResourceValidatorTest.java
@@ -35,7 +35,7 @@ public class ResourceGroupResourceValidatorTest {
   private static final String PATH = "/org/openecomp/validation/validators/heat_validator/";
   @Test
   public void testResourceGroupWithInvalidIndexVar() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.RESOURCE_GROUP_RESOURCE_TYPE.getHeatResource(),
             PATH + "resource_group_invalid_indexvar/negative_test/input");
 
@@ -89,7 +89,7 @@ public class ResourceGroupResourceValidatorTest {
 
   @Test
   public void testResourceGroupWithInvalidType() {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.RESOURCE_GROUP_RESOURCE_TYPE.getHeatResource(),
             PATH + "resource_group_invalid_type/negative_test/input");
 
@@ -110,7 +110,7 @@ public class ResourceGroupResourceValidatorTest {
 
   @Test
   public void testResourcesGroupWithNested() {
-    Map<String, MessageContainer> messages =ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages =new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.RESOURCE_GROUP_RESOURCE_TYPE.getHeatResource(),
             PATH + "resources_group_with_nested/negative_test/input");
 
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/VirtualMachineInterfaceValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/VirtualMachineInterfaceValidatorTest.java
index 9fcef284a9..4a8e7970b5 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/VirtualMachineInterfaceValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/heatresource/VirtualMachineInterfaceValidatorTest.java
@@ -17,6 +17,7 @@
 package org.openecomp.sdc.validation.impl.validators.heatresource;
 
 import java.util.Map;
+
 import org.junit.Assert;
 import org.junit.Test;
 import org.openecomp.core.validation.types.MessageContainer;
@@ -30,128 +31,121 @@ import org.openecomp.sdc.validation.util.ValidationTestUtil;
  */
 
 public class VirtualMachineInterfaceValidatorTest {
-  private static final String PATH =
-      "/org/openecomp/validation/validators/heat_validator/vlan_resource_validation/";
-
-
-  @Test
-  public void hasSingleParentPortNegative()  {
-    HeatResourceValidator baseValidator = new HeatResourceValidator();
-    VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-        resourceValidator,
-        HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
-        PATH + "vlan_multiple_parent_ports/negative_test/input");
-
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-
-    Assert.assertEquals(messages.get("nested.yml").getErrorMessageList().size(), 1);
-    Assert.assertEquals(
-        messages.get("nested.yml").getErrorMessageList().get(0).getMessage(),
-        "ERROR: [VLAN1]: More than one parent port found, " +
-            "there should be only one parent port for a VLAN sub-interface ID [template_Vlan_2]");
-  }
-
-  @Test
-  public void hasSingleParentPortNegativeWithGetResource()  {
-    HeatResourceValidator baseValidator = new HeatResourceValidator();
-    VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-        resourceValidator,
-        HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
-        PATH + "vlan_multiple_parent_ports/negative_get_resource/input");
-
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 0);
-  }
-
-
-  @Test
-  public void hasSingleParentPortPositive()  {
-    HeatResourceValidator baseValidator = new HeatResourceValidator();
-    VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-        resourceValidator,
-        HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
-        PATH + "vlan_multiple_parent_ports/positive_test/input");
-
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 0);
-
-
-  }
-
-
-  @Test
-  public void hasBothPropertiesNegativeMissingVlanTag()  {
-    HeatResourceValidator baseValidator = new HeatResourceValidator();
-    VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-        resourceValidator,
-        HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
-        PATH + "vlan_has_two_properties/negative_tag_missing/input");
-
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-
-    Assert.assertEquals(messages.get("nested.yml").getErrorMessageList().size(), 1);
-    Assert.assertEquals(
-        messages.get("nested.yml").getErrorMessageList().get(0).getMessage(),
-        "WARNING: [VLAN2]: VLAN Tag property " +
-            "virtual_machine_interface_properties_sub_interface_vlan_tag " +
-            "is missing in VLAN Resource ID [template_Vlan_2]");
-  }
-
-  @Test
-  public void hasBothPropertiesNegativeMissingRefs()  {
-    HeatResourceValidator baseValidator = new HeatResourceValidator();
-    VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-        resourceValidator,
-        HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
-        PATH + "vlan_has_two_properties/negative_refs_missing/input");
-
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-
-    Assert.assertEquals(messages.get("nested.yml").getErrorMessageList().size(), 1);
-    Assert.assertEquals(
-        messages.get("nested.yml").getErrorMessageList().get(0).getMessage(),
-        "WARNING: [VLAN2]: Parent port property virtual_machine_interface_refs is " +
-            "missing in VLAN Resource ID [template_Vlan_2]");
-  }
-
-  @Test
-  public void hasBothPropertiesBothMissingWhichMeansPositive()  {
-    HeatResourceValidator baseValidator = new HeatResourceValidator();
-    VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-        resourceValidator,
-        HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
-        PATH + "vlan_has_two_properties/negative_both_missing/input");
-
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 0);
-
-  }
-
-
-  @Test
-  public void hasBothPropertiesPositive()  {
-    HeatResourceValidator baseValidator = new HeatResourceValidator();
-    VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-        resourceValidator,
-        HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
-        PATH + "vlan_has_two_properties/positive_test/input");
-
-    Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 0);
-
-
-  }
-
-
-
+    private static final String PATH =
+            "/org/openecomp/validation/validators/heat_validator/vlan_resource_validation/";
+
+
+    @Test
+    public void hasSingleParentPortNegative() {
+        HeatResourceValidator baseValidator = new HeatResourceValidator();
+        VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
+                resourceValidator,
+                HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
+                PATH + "vlan_multiple_parent_ports/negative_test/input");
+
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(1, messages.size());
+
+        Assert.assertEquals(1, messages.get("nested.yml").getErrorMessageList().size());
+        Assert.assertEquals(
+                messages.get("nested.yml").getErrorMessageList().get(0).getMessage(),
+                "ERROR: [VLAN1]: More than one parent port found, " +
+                        "there should be only one parent port for a VLAN sub-interface ID [template_Vlan_2]");
+    }
+
+    @Test
+    public void hasSingleParentPortNegativeWithGetResource() {
+        HeatResourceValidator baseValidator = new HeatResourceValidator();
+        VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
+                resourceValidator,
+                HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
+                PATH + "vlan_multiple_parent_ports/negative_get_resource/input");
+
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(messages.size(), 0);
+    }
+
+
+    @Test
+    public void hasSingleParentPortPositive() {
+        HeatResourceValidator baseValidator = new HeatResourceValidator();
+        VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
+                resourceValidator,
+                HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
+                PATH + "vlan_multiple_parent_ports/positive_test/input");
+
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(0, messages.size());
+    }
+
+
+    @Test
+    public void hasBothPropertiesNegativeMissingVlanTag() {
+        HeatResourceValidator baseValidator = new HeatResourceValidator();
+        VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
+                resourceValidator,
+                HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
+                PATH + "vlan_has_two_properties/negative_tag_missing/input");
+
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(messages.size(), 1);
+
+        Assert.assertEquals(messages.get("nested.yml").getErrorMessageList().size(), 1);
+        Assert.assertEquals(
+                messages.get("nested.yml").getErrorMessageList().get(0).getMessage(),
+                "WARNING: [VLAN2]: VLAN Tag property " +
+                        "virtual_machine_interface_properties_sub_interface_vlan_tag " +
+                        "is missing in VLAN Resource ID [template_Vlan_2]");
+    }
+
+    @Test
+    public void hasBothPropertiesNegativeMissingRefs() {
+        HeatResourceValidator baseValidator = new HeatResourceValidator();
+        VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
+                resourceValidator,
+                HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
+                PATH + "vlan_has_two_properties/negative_refs_missing/input");
+
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(messages.size(), 1);
+
+        Assert.assertEquals(messages.get("nested.yml").getErrorMessageList().size(), 1);
+        Assert.assertEquals(
+                messages.get("nested.yml").getErrorMessageList().get(0).getMessage(),
+                "WARNING: [VLAN2]: Parent port property virtual_machine_interface_refs is " +
+                        "missing in VLAN Resource ID [template_Vlan_2]");
+    }
+
+    @Test
+    public void hasBothPropertiesBothMissingWhichMeansPositive() {
+        HeatResourceValidator baseValidator = new HeatResourceValidator();
+        VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
+                resourceValidator,
+                HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
+                PATH + "vlan_has_two_properties/negative_both_missing/input");
+
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(messages.size(), 0);
+
+    }
+
+
+    @Test
+    public void hasBothPropertiesPositive() {
+        HeatResourceValidator baseValidator = new HeatResourceValidator();
+        VirtualMachineInterfaceValidator resourceValidator = new VirtualMachineInterfaceValidator();
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
+                resourceValidator,
+                HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
+                PATH + "vlan_has_two_properties/positive_test/input");
+
+        Assert.assertNotNull(messages);
+        Assert.assertEquals(messages.size(), 0);
+    }
 }
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceInstanceNamingConventionValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceInstanceNamingConventionValidatorTest.java
index d61d71839a..dd74f98ed6 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceInstanceNamingConventionValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceInstanceNamingConventionValidatorTest.java
@@ -36,7 +36,7 @@ public class ContrailServiceInstanceNamingConventionValidatorTest {
 
   @Test
   public void testContrailServiceInstanceAvailabilityZoneNotAlignedWithNamingConvention() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.CONTRAIL_SERVICE_INSTANCE.getHeatResource(),
             PATH + "notaligned");
     Assert.assertNotNull(messages);
@@ -48,7 +48,7 @@ public class ContrailServiceInstanceNamingConventionValidatorTest {
 
   @Test
   public void testContrailServiceInstanceAvailabilityZoneAlignedWithNamingConvention() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.CONTRAIL_SERVICE_INSTANCE.getHeatResource(),
             PATH + "aligned");
     Assert.assertNotNull(messages);
@@ -56,7 +56,7 @@ public class ContrailServiceInstanceNamingConventionValidatorTest {
   }
   @Test
   public void testContrailServiceInstanceAvailabilityZoneNotAlignedWithNamingConventionMissingParam() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.CONTRAIL_SERVICE_INSTANCE.getHeatResource(),
             PATH + "missingparam");
     Assert.assertNotNull(messages);
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidatorTest.java
index f9e0765158..f04778c1b0 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/ContrailServiceTemplateNamingConventionValidatorTest.java
@@ -36,7 +36,7 @@ public class ContrailServiceTemplateNamingConventionValidatorTest {
 
   @Test
   public void testContrailServiceTemplateImageAndFlavorNamesAlignedWithNamingConventionButDifferentVmType() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.CONTRAIL_SERVICE_TEMPLATE.getHeatResource(),
             PATH + "imageandflavordifferentvmtype");
     Assert.assertNotNull(messages);
@@ -49,7 +49,7 @@ public class ContrailServiceTemplateNamingConventionValidatorTest {
 
   @Test
   public void testContrailServiceTemplateImageAndFlavorNamesNotAlignedWithNamingConvention() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.CONTRAIL_SERVICE_TEMPLATE.getHeatResource(),
             PATH + "/notaligned");
     Assert.assertNotNull(messages);
@@ -63,7 +63,7 @@ public class ContrailServiceTemplateNamingConventionValidatorTest {
 
   @Test
   public void testContrailServiceTemplateImageAndFlavorNamesAlignedWithNamingConvention() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.CONTRAIL_SERVICE_TEMPLATE.getHeatResource(),
             PATH + "aligned");
     Assert.assertNotNull(messages);
@@ -72,7 +72,7 @@ public class ContrailServiceTemplateNamingConventionValidatorTest {
 
   @Test
   public void testContrailServiceTemplateMissingParam() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.CONTRAIL_SERVICE_TEMPLATE.getHeatResource(),
             PATH + "missingparam");
     Assert.assertNotNull(messages);
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NeutronPortNamingConventionValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NeutronPortNamingConventionValidatorTest.java
index 00f95ef383..8dad17bcd1 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NeutronPortNamingConventionValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NeutronPortNamingConventionValidatorTest.java
@@ -30,18 +30,17 @@ import org.openecomp.sdc.validation.util.ValidationTestUtil;
 public class NeutronPortNamingConventionValidatorTest {
 
   NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
-  NeutronPortNamingConventionValidator resourceValidator = new
-      NeutronPortNamingConventionValidator();
-  private static final  String PATH = "/org/openecomp/validation/validators/guideLineValidator/heatPortNetworkNamingConvention/";
+  NeutronPortNamingConventionValidator resourceValidator = new NeutronPortNamingConventionValidator();
+  private static final String PATH = "/org/openecomp/validation/validators/guideLineValidator/heatPortNetworkNamingConvention/";
   @Test
   public void testHeatPortNetworkNamingConvention() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource(),
             PATH + "positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(baseValidator,
+    messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource(),
             PATH + "negative/");
     Assert.assertNotNull(messages);
@@ -53,13 +52,13 @@ public class NeutronPortNamingConventionValidatorTest {
 
   @Test
   public void testNeutronFixedIpName() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource(),
             PATH + "positiveFixedIP");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(baseValidator,
+    messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource(),
             PATH + "negativeFixedIP/");
     Assert.assertNotNull(messages);
@@ -76,13 +75,13 @@ public class NeutronPortNamingConventionValidatorTest {
 
   @Test
   public void testMissingParam() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
-            resourceValidator, HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource(),
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(new NamingConventionGuideLineValidator(),
+            new NeutronPortNamingConventionValidator(), HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource(),
             PATH + "missingparam/");
     Assert.assertNotNull(messages);
-    Assert.assertEquals(messages.size(), 1);
-    Assert.assertEquals(messages.get("first.yaml").getErrorMessageList().size(), 1);
-    Assert.assertEquals(messages.get("first.yaml").getErrorMessageList().get(0).getMessage(),
-            "WARNING: [NNP2]: Missing get_param in network or network_id, Resource Id [port_resource_2]");
+    Assert.assertEquals(1, messages.size());
+    Assert.assertEquals(1, messages.get("first.yaml").getErrorMessageList().size());
+    Assert.assertEquals("WARNING: [NNP2]: Missing get_param in network or network_id, Resource Id [port_resource_2]",
+            messages.get("first.yaml").getErrorMessageList().get(0).getMessage());
   }
 }
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidatorTest.java
index 01750c5f54..cfa3a86325 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/NovaServerNamingConventionGuideLineValidatorTest.java
@@ -36,13 +36,13 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
   private static final String PATH = "/org/openecomp/validation/validators/guideLineValidator/novaserverValidation/";
   @Test
   public void testHeatNovaServerMetaDataValidation() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerMetaDataValidation/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(baseValidator,
+    messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerMetaDataValidation/negative/");
     Assert.assertNotNull(messages);
@@ -54,13 +54,13 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testNovaServerAvailabilityZoneName() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerAvailabilityZoneName/positive");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(baseValidator,
+    messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerAvailabilityZoneName/negative");
     Assert.assertNotNull(messages);
@@ -74,7 +74,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testNovaImageAndFlavorNamesEmptyProperties() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerImageAndFlavor/negativeEmptyProperties");
     Assert.assertNotNull(messages);
@@ -86,13 +86,13 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
     @Test
     public void testNovaImageAndFlavorNames() {
-        Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+        Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerImageAndFlavor/positive");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(baseValidator,
+    messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerImageAndFlavor/negative");
     Assert.assertNotNull(messages);
@@ -106,12 +106,12 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testNovaResourceNetworkUniqueRole() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaNetworkUniqueRoleConvention/positive/");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
-    messages = ValidationTestUtil.testValidator(baseValidator,
+    messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaNetworkUniqueRoleConvention/negative/");
     Assert.assertNotNull(messages);
@@ -123,13 +123,13 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testNovaServerName() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerNameValidation/positive");
     Assert.assertNotNull(messages);
     Assert.assertEquals(messages.size(), 0);
 
-    messages = ValidationTestUtil.testValidator(baseValidator,
+    messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaServerNameValidation/negative/");
     Assert.assertNotNull(messages);
@@ -141,7 +141,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testVMNameSyncInNova() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "input");
 
@@ -161,7 +161,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testAvailabilityZoneName() throws IOException {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "availability_zone_name/input");
 
@@ -179,7 +179,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testHeatNovaServerVnfIDValidation() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             "/org/openecomp/validation/validators/guideLineValidator/novaserverValidation/heatNovaServerMetaDataValidation/negativemissingvnfid/");
     Assert.assertNotNull(messages);
@@ -190,7 +190,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testHeatNovaServerVfModuleValidation() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             "/org/openecomp/validation/validators/guideLineValidator/novaserverValidation/heatNovaServerMetaDataValidation/negativemisningvfmodule/");
     Assert.assertNotNull(messages);
@@ -200,7 +200,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testMissingParam() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaNetworkUniqueRoleConvention/missingportNetwork/");
     Assert.assertNotNull(messages);
@@ -217,7 +217,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testNovaResource() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaNetworkUniqueRoleConvention/invalidresource/");
     Assert.assertNotNull(messages);
@@ -227,7 +227,7 @@ public class NovaServerNamingConventionGuideLineValidatorTest {
 
   @Test
   public void testEnvFileContent() {
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
             resourceValidator, HeatResourcesTypes.NOVA_SERVER_RESOURCE_TYPE.getHeatResource(),
             PATH + "heatNovaNetworkUniqueRoleConvention/input/");
     Assert.assertNotNull(messages);
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/VirtualMachineInterfaceGuidelineValidatorTest.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/VirtualMachineInterfaceGuidelineValidatorTest.java
index e660fbffd5..21b5ca6f5f 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/VirtualMachineInterfaceGuidelineValidatorTest.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/impl/validators/namingconvention/VirtualMachineInterfaceGuidelineValidatorTest.java
@@ -34,7 +34,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "modeled_through_resource_group/positive_test/input");
@@ -50,7 +50,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "modeled_through_resource_group/negative_test/input");
@@ -71,7 +71,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "modeled_through_resource_group/negative_test_non_string/input");
@@ -92,7 +92,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "modeled_through_resource_group/negative_get_resource/input");
@@ -114,7 +114,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "single_vlan_resource/positive_test/input");
@@ -130,7 +130,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "single_vlan_resource/negative_test/two_vlans");
@@ -151,7 +151,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "single_vlan_resource/negative_test/vlan_and_nova");
@@ -171,7 +171,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "naming_convention/negative_test/input");
@@ -192,7 +192,7 @@ public class VirtualMachineInterfaceGuidelineValidatorTest {
     NamingConventionGuideLineValidator baseValidator = new NamingConventionGuideLineValidator();
     VirtualMachineInterfaceGuidelineValidator resourceValidator = new
         VirtualMachineInterfaceGuidelineValidator();
-    Map<String, MessageContainer> messages = ValidationTestUtil.testValidator(baseValidator,
+    Map<String, MessageContainer> messages = new ValidationTestUtil().testValidator(baseValidator,
         resourceValidator,
         HeatResourcesTypes.CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE.getHeatResource(),
         PATH + "naming_convention/positive_test/input");
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/util/ValidationTestUtil.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/util/ValidationTestUtil.java
index 68ba5c911d..11ed22966c 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/util/ValidationTestUtil.java
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/src/test/java/org/openecomp/sdc/validation/util/ValidationTestUtil.java
@@ -49,9 +49,9 @@ import org.openecomp.sdc.validation.base.ResourceBaseValidator;
  */
 public class ValidationTestUtil {
 
-  private ValidationTestUtil(){}
+  public ValidationTestUtil(){}
 
-  public static GlobalValidationContext createGlobalContextFromPath(String path) {
+  public GlobalValidationContext createGlobalContextFromPath(String path) {
     GlobalValidationContext globalValidationContext = new GlobalValidationContext();
     Map<String, byte[]> contentMap = getContentMapByPath(path);
     if (contentMap == null) {
@@ -62,7 +62,7 @@ public class ValidationTestUtil {
     return globalValidationContext;
   }
 
-  private static Map<String, byte[]> getContentMapByPath(String path) {
+  private Map<String, byte[]> getContentMapByPath(String path) {
     Map<String, byte[]> contentMap = new HashMap<>();
     URL url = ValidationTestUtil.class.getResource(path);
     File pathFile = new File(url.getFile());
@@ -89,8 +89,7 @@ public class ValidationTestUtil {
     return contentMap;
   }
 
-  public static Map<String, MessageContainer> testValidator(Validator validator, String path) {
-
+  public Map<String, MessageContainer> testValidator(Validator validator, String path) {
     GlobalValidationContext globalValidationContext = createGlobalContextFromPath(path);
     validator.validate(globalValidationContext);
 
@@ -100,7 +99,7 @@ public class ValidationTestUtil {
 
   }
 
-  public static Map<String, MessageContainer> testValidator(ResourceBaseValidator baseValidator,
+  public Map<String, MessageContainer> testValidator(ResourceBaseValidator baseValidator,
           ResourceValidator resourceValidator,
           String resourceTypeToValidate, String path) {
 
@@ -117,7 +116,7 @@ public class ValidationTestUtil {
     return globalContext.getContextMessageContainers();
   }
 
-  private static void validateFiles(ResourceBaseValidator baseValidator,
+  private void validateFiles(ResourceBaseValidator baseValidator,
           ResourceValidator resourceValidator,
           GlobalValidationContext globalContext,
           Map<String, FileData> fileEnvMap,
@@ -144,7 +143,7 @@ public class ValidationTestUtil {
     }
   }
 
-  private static void validateResources(String fileName, ResourceValidator resourceValidator,
+  private void validateResources(String fileName, ResourceValidator resourceValidator,
           String resourceTypeToValidate, ValidationContext validationContext,
           GlobalValidationContext globalValidationContext){
 
@@ -166,7 +165,7 @@ public class ValidationTestUtil {
                                                            (fileName, resourceEntry, globalValidationContext, validationContext));
   }
 
-  private static boolean isResourceNeedToBeTested(String currResource, String resourceToTest){
+  private boolean isResourceNeedToBeTested(String currResource, String resourceToTest){
     if(Objects.isNull(resourceToTest)){
       return HeatStructureUtil.isNestedResource(currResource);
     }
@@ -174,14 +173,13 @@ public class ValidationTestUtil {
     return currResource.equals(resourceToTest);
   }
 
-  public static void validateErrorMessage(String actualMessage, String expected, String... params) {
-
+  public void validateErrorMessage(String actualMessage, String expected, String... params) {
     Assert.assertEquals(actualMessage.replace("\n", "").replace("\r", ""),
             ErrorMessagesFormatBuilder.getErrorWithParameters(expected, params).replace("\n", "")
                                       .replace("\r", ""));
   }
 
-  public static Map<String, Object> getResourceMap(String configFileName) throws IOException {
+  public Map<String, Object> getResourceMap(String configFileName) throws IOException {
     URL mockResource = ValidationTestUtil.class.getResource(configFileName);
     String json = IOUtils.toString(mockResource.openStream(), "UTF-8");
     return JsonUtil.json2Object(json, Map.class);